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Quarterly Journal of Engineering Geology and Hydrogeology
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Quarterly Journal of Engineering Geology and Hydrogeology; 1973; v. 6; issue.2; p. 153-168;
DOI: 10.1144/GSL.QJEG.1973.006.02.03
© 1973 Geological Society of London

Article

Effects of non-linearity on the prediction of settlements of foundations on rock

Noel Bambury Hobbs

Soil Mechanics Ltd., Bracknell, Berks.

Many rocks exhibit non-linear deformation characteristics, but nevertheless are regarded as linear when estimating settlements. The results of a plate test on Bunter Sandstone are examined taking account of the non-linear nature of the rock. A method of estimating the settlement of large structures is outlined, using a 60 ft diameter reactor foundation as an example as cases on non-linear rocks can only be considered on a numerical basis. The errors incurred in treating non-linear rocks as linear and in extrapolating from plate loading tests are discussed.




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[Abstract] [PDF]